[英]Find pair in a given array which equals to the given sum [closed]
#include<iostream>
using namespace std;
int main(){
int arr[]={3,5,-4,8,11,1,-1,6};
int i,j;
int n=8;
int sum=10;
int a,b;
for(i=0;i<n-1;i++){
a=arr[i];
for(j=i+1;j<n;j++){
b=arr[j];
if(a + b == sum){
cout<<"Pair is:"<<i<<" and "<<j;
cout<<endl;
}
}
}
}
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